const { randomBytes } = require('crypto')
const secp256k1 = require('secp256k1')
const bs58 = require('bs58')

grail = "nannal"

const msg = randomBytes(32)
  let priv, pub
  do {
    do {
      priv = randomBytes(32)
      pub = secp256k1.publicKeyCreate(priv)
      console.log(bs58.encode(pub))
    } while (!secp256k1.privateKeyVerify(priv))
  } while (bs58.encode(pub).substr(0, grail.length) != grail)



  console.log(bs58.encode(pub))
  console.log(bs58.encode(priv))